[jira] [Updated] (THRIFT-3831) build of test/cpp/src/TestClient.cpp fails with newer gcc on platforms with unsigned char due to narrowing conversions

["Cody Schafer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/THRIFT-3831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Cody Schafer updated THRIFT-3831:
---------------------------------
    Attachment: 0001-test-cpp-explicitly-use-signed-char.patch

> build of test/cpp/src/TestClient.cpp fails with newer gcc on platforms with unsigned char due to narrowing conversions
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: THRIFT-3831
>                 URL: https://issues.apache.org/jira/browse/THRIFT-3831
>             Project: Thrift
>          Issue Type: Bug
>            Reporter: Cody Schafer
>         Attachments: 0001-test-cpp-explicitly-use-signed-char.patch
>
>
> Specifically, we get a bunch of errors like:
>             test/cpp/src/TestClient.cpp:404:15: error: narrowing conversion of '-1' from 'int' to 'char' inside { } [-Wnarrowing]
> gcc faq talks about this: https://gcc.gnu.org/wiki/FAQ#Wnarrowing
> I've only seen this in gcc-6, but the faq seems to indicate it could occur in gcc-5 as well.



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